EL8176ISZ-T7

Product Overview

Category: Optocoupler
Use: Signal isolation and voltage level shifting
Characteristics: High-speed, high-gain, low-power consumption
Package: SOP-4
Essence: Phototransistor output optocoupler
Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Isolation Voltage: 3750 Vrms
• Collector-Emitter Voltage: 80 V
• Current Transfer Ratio (CTR): 50% to 600%
• Rise Time: 18 ns
• Fall Time: 15 ns
• Power Dissipation: 70 mW
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The EL8176ISZ-T7 optocoupler has a total of four pins:

1. Pin 1: Anode (A)
2. Pin 2: Cathode (K)
3. Pin 3: Emitter (E)
4. Pin 4: Collector (C)

Functional Features

• High-speed response time for efficient signal transmission
• High current transfer ratio for accurate voltage level shifting
• Low power consumption for energy efficiency
• Phototransistor output for improved noise immunity

Advantages

• Provides electrical isolation between input and output circuits
• Allows interfacing between different voltage levels
• Compact package size for space-constrained applications
• Wide operating temperature range for versatile usage

Disadvantages

• Limited maximum collector-emitter voltage
• Relatively low power dissipation capability

Working Principles

The EL8176ISZ-T7 optocoupler utilizes an infrared LED as the input source and a phototransistor as the output device. When the input current flows through the LED, it emits infrared light, which is then detected by the phototransistor. The phototransistor's collector-emitter current is controlled by the intensity of the received light, providing electrical isolation between the input and output circuits.

Detailed Application Field Plans

The EL8176ISZ-T7 optocoupler finds applications in various fields, including:

1. Industrial automation: Signal isolation in PLCs, motor control, and power supply circuits.
2. Telecommunications: Voltage level shifting in data transmission systems.
3. Automotive electronics: Isolation of control signals in automotive modules.
4. Medical equipment: Galvanic isolation in patient monitoring devices.
5. Consumer electronics: Interface between different voltage domains in audio/video equipment.

Detailed and Complete Alternative Models

1. PC817: Photocoupler with similar specifications and pin configuration.
2. TLP621: Optocoupler with higher collector-emitter voltage rating.
3. SFH617A-2: High-speed optocoupler with lower power dissipation.

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